Verify Email Addresses with Twilio SendGrid Validation API
Validate email addresses before sending campaigns using SendGrid syntax, MX, SMTP, and catch-all checks with confidence scores.
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twilioTwilio SendGrid Event Webhooks and a Custom Status Consumer: Reconciling Duplicate and Out-of-Order Events
A service consumes Twilio SendGrid Event Webhook payloads to track per-message delivery status across events such as processed , delivered , opened , and clicked . SendGrid does not guarantee exactly-once delivery: the same event can be POSTed more than once, and status events may arrive out of order or delayed. The endpoint must return a 2xx within a short